International Mountain Leader. Qualified Wilderness Guide. Explorer extraordinaire. Jef Oonk is the one of the world’s great professional guides. He’s spent years leading groups through extreme environments: long treks through remote mountain ranges, navigating tundras on foot and with husky dogsled teams, and trips through rainforest and desert. He’s also a wildlife expert, with a master’s degree in biology, and always happy to share his extensive knowledge of the wild world.
